Home / 32,898.26-45,388.94-20,138.16

Finding the Fourth Proportional to 32,898.26, 45,388.94 and 20,138.16

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Solution

The fourth proportional to 32,898.26, 45,388.94 and 20,138.16 is: 27,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.26 : 45,388.94 = 20,138.16 : x
  2. Step 2: Convert to fraction form
    32,898.26/45,388.94 = 20,138.16/x
  3. Step 3: Cross multiply
    32,898.26x = 45,388.94 × 20,138.16
  4. Step 4: Simplify right side
    32,898.26x = 914,049,735.95
  5. Step 5: Solve for x
    x = 914,049,735.95/32,898.26
  6. Step 6: Final answer
    x = 27,784.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.